movement of people from one permanent home to another. This movement changes the population of a place. International migration is the movement from one country to another. ... People who move into another country are called immigrants .
I think it is D for mountains form from the movement of tectonic plates which create volcanoes that erupt and form mountains
Answer:
There are four principles at work in evolution—variation, inheritance, selection and time. These are considered the components of the evolutionary mechanism of natural selection.
Have a nice day!!